Bump actions/labeler from 5 to 6 (#677)

Bumps [actions/labeler](https://github.com/actions/labeler) from 5 to 6.
- [Release notes](https://github.com/actions/labeler/releases)
- [Commits](actions/labeler@v5...v6)

---
updated-dependencies:
- dependency-name: actions/labeler
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/pr-auto-labeler.yml

@@ -51,7 +51,7 @@ jobs:
       - uses: actions/checkout@v5
 
       # Applies labels based on the .github/labeler.yml config
-      - uses: actions/labeler@v5
+      - uses: actions/labeler@v6
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"